Files
yaze/src/app/zelda3/overworld_map.cc

540 lines
17 KiB
C++

#include "overworld_map.h"
#include <imgui/imgui.h>
#include <cstddef>
#include <cstdint>
#include <memory>
#include <unordered_map>
#include <vector>
#include "app/core/common.h"
#include "app/editor/context/gfx_context.h"
#include "app/gfx/bitmap.h"
#include "app/gfx/snes_tile.h"
#include "app/rom.h"
#include "app/zelda3/overworld.h"
namespace yaze {
namespace app {
namespace zelda3 {
OverworldMap::OverworldMap(int index, ROM& rom,
std::vector<gfx::Tile16>& tiles16)
: parent_(index), index_(index), rom_(rom), tiles16_(tiles16) {
LoadAreaInfo();
}
absl::Status OverworldMap::BuildMap(int count, int game_state, int world,
OWBlockset& world_blockset) {
game_state_ = game_state;
world_ = world;
if (large_map_) {
if (parent_ != index_ && !initialized_) {
if (index_ >= 0x80 && index_ <= 0x8A && index_ != 0x88) {
area_graphics_ = rom_[overworldSpecialGFXGroup + (parent_ - 0x80)];
area_palette_ = rom_[overworldSpecialPALGroup + 1];
} else if (index_ == 0x88) {
area_graphics_ = 0x51;
area_palette_ = 0x00;
} else {
area_graphics_ = rom_[mapGfx + parent_];
area_palette_ = rom_[overworldMapPalette + parent_];
}
initialized_ = true;
}
}
LoadAreaGraphics();
RETURN_IF_ERROR(BuildTileset())
RETURN_IF_ERROR(BuildTiles16Gfx(count))
LoadPalette();
RETURN_IF_ERROR(BuildBitmap(world_blockset))
built_ = true;
return absl::OkStatus();
}
void OverworldMap::LoadAreaInfo() {
if (index_ != 0x80) {
if (index_ <= 128)
large_map_ = (rom_[overworldMapSize + (index_ & 0x3F)] != 0);
else {
large_map_ =
index_ == 129 || index_ == 130 || index_ == 137 || index_ == 138;
}
}
message_id_ = rom_.toint16(overworldMessages + (parent_ * 2));
if (index_ < 0x40) {
area_graphics_ = rom_[mapGfx + parent_];
area_palette_ = rom_[overworldMapPalette + parent_];
area_music_[0] = rom_[overworldMusicBegining + parent_];
area_music_[1] = rom_[overworldMusicZelda + parent_];
area_music_[2] = rom_[overworldMusicMasterSword + parent_];
area_music_[3] = rom_[overworldMusicAgahim + parent_];
sprite_graphics_[0] = rom_[overworldSpriteset + parent_];
sprite_graphics_[1] = rom_[overworldSpriteset + parent_ + 0x40];
sprite_graphics_[2] = rom_[overworldSpriteset + parent_ + 0x80];
sprite_palette_[0] = rom_[overworldSpritePalette + parent_];
sprite_palette_[1] = rom_[overworldSpritePalette + parent_ + 0x40];
sprite_palette_[2] = rom_[overworldSpritePalette + parent_ + 0x80];
} else if (index_ < 0x80) {
area_graphics_ = rom_[mapGfx + parent_];
area_palette_ = rom_[overworldMapPalette + parent_];
area_music_[0] = rom_[overworldMusicDW + (parent_ - 64)];
sprite_graphics_[0] = rom_[overworldSpriteset + parent_ + 0x80];
sprite_graphics_[1] = rom_[overworldSpriteset + parent_ + 0x80];
sprite_graphics_[2] = rom_[overworldSpriteset + parent_ + 0x80];
sprite_palette_[0] = rom_[overworldSpritePalette + parent_ + 0x80];
sprite_palette_[1] = rom_[overworldSpritePalette + parent_ + 0x80];
sprite_palette_[2] = rom_[overworldSpritePalette + parent_ + 0x80];
} else {
if (index_ == 0x94) {
parent_ = 0x80;
} else if (index_ == 0x95) {
parent_ = 0x03;
} else if (index_ == 0x96) {
parent_ = 0x5B; // pyramid bg use 0x5B map
} else if (index_ == 0x97) {
parent_ = 0x00; // pyramid bg use 0x5B map
} else if (index_ == 0x9C) {
parent_ = 0x43;
} else if (index_ == 0x9D) {
parent_ = 0x00;
} else if (index_ == 0x9E) {
parent_ = 0x00;
} else if (index_ == 0x9F) {
parent_ = 0x2C;
} else if (index_ == 0x88) {
parent_ = 0x88;
} else if (index_ == 129 || index_ == 130 || index_ == 137 ||
index_ == 138) {
parent_ = 129;
}
area_palette_ = rom_[overworldSpecialPALGroup + parent_ - 0x80];
if ((index_ >= 0x80 && index_ <= 0x8A && index_ != 0x88) ||
index_ == 0x94) {
area_graphics_ = rom_[overworldSpecialGFXGroup + (parent_ - 0x80)];
area_palette_ = rom_[overworldSpecialPALGroup + 1];
} else if (index_ == 0x88) {
area_graphics_ = 0x51;
area_palette_ = 0x00;
} else {
// pyramid bg use 0x5B map
area_graphics_ = rom_[mapGfx + parent_];
area_palette_ = rom_[overworldMapPalette + parent_];
}
sprite_graphics_[0] = rom_[overworldSpriteset + parent_ + 0x80];
sprite_graphics_[1] = rom_[overworldSpriteset + parent_ + 0x80];
sprite_graphics_[2] = rom_[overworldSpriteset + parent_ + 0x80];
sprite_palette_[0] = rom_[overworldSpritePalette + parent_ + 0x80];
sprite_palette_[1] = rom_[overworldSpritePalette + parent_ + 0x80];
sprite_palette_[2] = rom_[overworldSpritePalette + parent_ + 0x80];
}
}
// ============================================================================
void OverworldMap::LoadWorldIndex() {
if (parent_ < 0x40) {
world_index_ = 0x20;
} else if (parent_ >= 0x40 && parent_ < 0x80) {
world_index_ = 0x21;
} else if (parent_ == 0x88) {
world_index_ = 0x24;
}
}
void OverworldMap::LoadSpritesBlocksets() {
int static_graphics_base = 0x73;
static_graphics_[8] = static_graphics_base + 0x00;
static_graphics_[9] = static_graphics_base + 0x01;
static_graphics_[10] = static_graphics_base + 0x06;
static_graphics_[11] = static_graphics_base + 0x07;
for (int i = 0; i < 4; i++) {
static_graphics_[12 + i] =
(rom_[rom_.version_constants().kSpriteBlocksetPointer +
(sprite_graphics_[game_state_] * 4) + i] +
static_graphics_base);
}
}
void OverworldMap::LoadMainBlocksets() {
for (int i = 0; i < 8; i++) {
static_graphics_[i] = rom_[rom_.version_constants().kOverworldGfxGroups2 +
(world_index_ * 8) + i];
}
}
// For animating water tiles on the overworld map.
// We want to swap out static_graphics_[07] with the next sheet
// Usually it is 5A, so we make it 5B instead.
// There is a middle frame which contains tiles from the bottom half
// of the 5A sheet, so this will need some special manipulation to make work
// during the BuildBitmap step (or a new one specifically for animating).
void OverworldMap::DrawAnimatedTiles() {
std::cout << "static_graphics_[6] = "
<< core::UppercaseHexByte(static_graphics_[6]) << std::endl;
std::cout << "static_graphics_[7] = "
<< core::UppercaseHexByte(static_graphics_[7]) << std::endl;
std::cout << "static_graphics_[8] = "
<< core::UppercaseHexByte(static_graphics_[8]) << std::endl;
if (static_graphics_[7] == 0x5B) {
static_graphics_[7] = 0x5A;
} else {
if (static_graphics_[7] == 0x59) {
static_graphics_[7] = 0x58;
}
static_graphics_[7] = 0x5B;
}
}
void OverworldMap::LoadAreaGraphicsBlocksets() {
for (int i = 0; i < 4; i++) {
uchar value = rom_[rom_.version_constants().kOverworldGfxGroups1 +
(area_graphics_ * 4) + i];
if (value != 0) {
static_graphics_[3 + i] = value;
}
}
}
void OverworldMap::LoadDeathMountainGFX() {
static_graphics_[7] = (((parent_ >= 0x03 && parent_ <= 0x07) ||
(parent_ >= 0x0B && parent_ <= 0x0E)) ||
((parent_ >= 0x43 && parent_ <= 0x47) ||
(parent_ >= 0x4B && parent_ <= 0x4E)))
? 0x59
: 0x5B;
}
void OverworldMap::LoadAreaGraphics() {
LoadWorldIndex();
LoadSpritesBlocksets();
LoadMainBlocksets();
LoadAreaGraphicsBlocksets();
LoadDeathMountainGFX();
}
namespace palette_internal {
void SetColorsPalette(ROM& rom, int index, gfx::SnesPalette& current,
gfx::SnesPalette main, gfx::SnesPalette animated,
gfx::SnesPalette aux1, gfx::SnesPalette aux2,
gfx::SnesPalette hud, gfx::SnesColor bgrcolor,
gfx::SnesPalette spr, gfx::SnesPalette spr2) {
// Palettes infos, color 0 of a palette is always transparent (the arrays
// contains 7 colors width wide) There is 16 color per line so 16*Y
// Left side of the palette - Main, Animated
std::vector<gfx::SnesColor> new_palette(256);
// Main Palette, Location 0,2 : 35 colors [7x5]
int k = 0;
for (int y = 2; y < 7; y++) {
for (int x = 1; x < 8; x++) {
new_palette[x + (16 * y)] = main[k];
k++;
}
}
// Animated Palette, Location 0,7 : 7colors
for (int x = 1; x < 8; x++) {
new_palette[(16 * 7) + (x)] = animated[(x - 1)];
}
// Right side of the palette - Aux1, Aux2
// Aux1 Palette, Location 8,2 : 21 colors [7x3]
k = 0;
for (int y = 2; y < 5; y++) {
for (int x = 9; x < 16; x++) {
new_palette[x + (16 * y)] = aux1[k];
k++;
}
}
// Aux2 Palette, Location 8,5 : 21 colors [7x3]
k = 0;
for (int y = 5; y < 8; y++) {
for (int x = 9; x < 16; x++) {
new_palette[x + (16 * y)] = aux2[k];
k++;
}
}
// Hud Palette, Location 0,0 : 32 colors [16x2]
for (int i = 0; i < 32; i++) {
new_palette[i] = hud[i];
}
// Hardcoded grass color (that might change to become invisible instead)
for (int i = 0; i < 8; i++) {
new_palette[(i * 16)] = bgrcolor;
new_palette[(i * 16) + 8] = bgrcolor;
}
// Sprite Palettes
k = 0;
for (int y = 8; y < 9; y++) {
for (int x = 1; x < 8; x++) {
new_palette[x + (16 * y)] = rom.palette_group("sprites_aux1")[1][k];
k++;
}
}
// Sprite Palettes
k = 0;
for (int y = 8; y < 9; y++) {
for (int x = 9; x < 16; x++) {
new_palette[x + (16 * y)] = rom.palette_group("sprites_aux3")[0][k];
k++;
}
}
// Sprite Palettes
k = 0;
for (int y = 9; y < 13; y++) {
for (int x = 1; x < 16; x++) {
new_palette[x + (16 * y)] = rom.palette_group("global_sprites")[0][k];
k++;
}
}
// Sprite Palettes
k = 0;
for (int y = 13; y < 14; y++) {
for (int x = 1; x < 8; x++) {
new_palette[x + (16 * y)] = spr[k];
k++;
}
}
// Sprite Palettes
k = 0;
for (int y = 14; y < 15; y++) {
for (int x = 1; x < 8; x++) {
new_palette[x + (16 * y)] = spr2[k];
k++;
}
}
// Sprite Palettes
k = 0;
for (int y = 15; y < 16; y++) {
for (int x = 1; x < 16; x++) {
new_palette[x + (16 * y)] = rom.palette_group("armors")[0][k];
k++;
}
}
current.Create(new_palette);
for (int i = 0; i < 256; i++) {
current[(i / 16) * 16].set_transparent(true);
}
}
} // namespace palette_internal
// New helper function to get a palette from the ROM.
gfx::SnesPalette OverworldMap::GetPalette(const std::string& group, int index,
int previousIndex, int limit) {
if (index == 255) {
index = rom_[rom_.version_constants().overworldMapPaletteGroup +
(previousIndex * 4)];
}
if (index != 255) {
if (index >= limit) {
index = limit - 1;
}
return rom_.palette_group(group)[index];
} else {
return rom_.palette_group(group)[0];
}
}
void OverworldMap::LoadPalette() {
int previousPalId = index_ > 0 ? rom_[overworldMapPalette + parent_ - 1] : 0;
int previousSprPalId =
index_ > 0 ? rom_[overworldSpritePalette + parent_ - 1] : 0;
area_palette_ = std::min((int)area_palette_, 0xA3);
uchar pal0 = 0;
uchar pal1 = rom_[rom_.version_constants().overworldMapPaletteGroup +
(area_palette_ * 4)];
uchar pal2 = rom_[rom_.version_constants().overworldMapPaletteGroup +
(area_palette_ * 4) + 1];
uchar pal3 = rom_[rom_.version_constants().overworldMapPaletteGroup +
(area_palette_ * 4) + 2];
uchar pal4 =
rom_[overworldSpritePaletteGroup + (sprite_palette_[game_state_] * 2)];
uchar pal5 = rom_[overworldSpritePaletteGroup +
(sprite_palette_[game_state_] * 2) + 1];
gfx::SnesColor bgr = rom_.palette_group("grass")[0].GetColor(0);
gfx::SnesPalette aux1 = GetPalette("ow_aux", pal1, previousPalId, 20);
gfx::SnesPalette aux2 = GetPalette("ow_aux", pal2, previousPalId, 20);
// Additional handling of `pal3` and `parent_`
if (pal3 == 255) {
pal3 = rom_[rom_.version_constants().overworldMapPaletteGroup +
(previousPalId * 4) + 2];
}
if (parent_ < 0x40) {
pal0 = parent_ == 0x03 || parent_ == 0x05 || parent_ == 0x07 ? 2 : 0;
bgr = rom_.palette_group("grass")[0].GetColor(0);
} else if (parent_ >= 0x40 && parent_ < 0x80) {
pal0 = parent_ == 0x43 || parent_ == 0x45 || parent_ == 0x47 ? 3 : 1;
bgr = rom_.palette_group("grass")[0].GetColor(1);
} else if (parent_ >= 128 && parent_ < kNumOverworldMaps) {
pal0 = 0;
bgr = rom_.palette_group("grass")[0].GetColor(2);
}
if (parent_ == 0x88) {
pal0 = 4;
}
gfx::SnesPalette main = GetPalette("ow_main", pal0, previousPalId, 255);
gfx::SnesPalette animated =
GetPalette("ow_animated", std::min((int)pal3, 13), previousPalId, 14);
gfx::SnesPalette hud = rom_.palette_group("hud")[0];
gfx::SnesPalette spr = GetPalette("sprites_aux3", pal4, previousSprPalId, 24);
gfx::SnesPalette spr2 =
GetPalette("sprites_aux3", pal5, previousSprPalId, 24);
palette_internal::SetColorsPalette(rom_, parent_, current_palette_, main,
animated, aux1, aux2, hud, bgr, spr, spr2);
if (palettesets_.count(area_palette_) == 0) {
palettesets_[area_palette_] = gfx::Paletteset{
main, animated, aux1, aux2, bgr, hud, spr, spr2, current_palette_};
}
}
// New helper function to process graphics buffer.
void OverworldMap::ProcessGraphicsBuffer(int index, int static_graphics_offset,
int size) {
for (int i = 0; i < size; i++) {
auto byte = all_gfx_[i + (static_graphics_offset * size)];
switch (index) {
case 0:
case 3:
case 4:
case 5:
byte += 0x88;
break;
}
current_gfx_[(index * size) + i] = byte;
}
}
absl::Status OverworldMap::BuildTileset() {
all_gfx_ = rom_.graphics_buffer();
if (current_gfx_.size() == 0) current_gfx_.resize(0x10000, 0x00);
for (int i = 0; i < 0x10; i++) {
ProcessGraphicsBuffer(i, static_graphics_[i], 0x1000);
}
return absl::OkStatus();
}
absl::Status OverworldMap::BuildTiles16Gfx(int count) {
if (current_blockset_.size() == 0) current_blockset_.resize(0x100000, 0x00);
const int offsets[] = {0x00, 0x08, 0x400, 0x408};
auto yy = 0;
auto xx = 0;
for (auto i = 0; i < count; i++) {
for (auto tile = 0; tile < 0x04; tile++) {
gfx::TileInfo info = tiles16_[i].tiles_info[tile];
int offset = offsets[tile];
for (auto y = 0; y < 0x08; ++y) {
for (auto x = 0; x < 0x08; ++x) {
int mx = x;
int my = y;
if (info.horizontal_mirror_ != 0) {
mx = 0x07 - x;
}
if (info.vertical_mirror_ != 0) {
my = 0x07 - y;
}
int xpos = ((info.id_ % 0x10) * 0x08);
int ypos = (((info.id_ / 0x10)) * 0x400);
int source = ypos + xpos + (x + (y * 0x80));
auto destination = xx + yy + offset + (mx + (my * 0x80));
current_blockset_[destination] =
(current_gfx_[source] & 0x0F) + (info.palette_ * 0x10);
}
}
}
xx += 0x10;
if (xx >= 0x80) {
yy += 0x800;
xx = 0;
}
}
return absl::OkStatus();
}
namespace {
void CopyTile8bpp16(int x, int y, int tile, Bytes& bitmap, Bytes& blockset) {
int src_pos =
((tile - ((tile / 0x08) * 0x08)) * 0x10) + ((tile / 0x08) * 2048);
int dest_pos = (x + (y * 0x200));
for (int yy = 0; yy < 0x10; yy++) {
for (int xx = 0; xx < 0x10; xx++) {
bitmap[dest_pos + xx + (yy * 0x200)] =
blockset[src_pos + xx + (yy * 0x80)];
}
}
}
} // namespace
absl::Status OverworldMap::BuildBitmap(OWBlockset& world_blockset) {
if (bitmap_data_.size() != 0) {
bitmap_data_.clear();
}
bitmap_data_.reserve(0x40000);
for (int i = 0; i < 0x40000; i++) {
bitmap_data_.push_back(0x00);
}
int superY = ((index_ - (world_ * 0x40)) / 0x08);
int superX = index_ - (world_ * 0x40) - (superY * 0x08);
for (int y = 0; y < 0x20; y++) {
for (int x = 0; x < 0x20; x++) {
auto xt = x + (superX * 0x20);
auto yt = y + (superY * 0x20);
CopyTile8bpp16((x * 0x10), (y * 0x10), world_blockset[xt][yt],
bitmap_data_, current_blockset_);
}
}
return absl::OkStatus();
}
} // namespace zelda3
} // namespace app
} // namespace yaze